The Turn Of The Century
Electrotherapy Museum
http://www.electrotherapymuseum.com
(C) Jeff Behary 2007
Piffard Hyperstatic Transformer Article
Waite & Bartlett Static Machine
Despite Piffard's own words in the article, the Tesla
Coil later described in the commercial
unit had the primary wound on the outside and the secondary wound on the inside.
The primary was
said to be wound on either a glass or hard rubber tube, the whole being filled
with a wax mixture.